Looking to add a little more power to your LS3 Engine? Chevrolet Performance has you covered with the new LS3 Power Upgrade Kit. The dynamic duo of CNC-ported heads and a high lift camshaft makes this the ultimate performance package, adding up to 40 more horsepower! The fully assembled LS3 cylinder heads flow more than 350 cfm on the intake side, with 276cc intake runners and 2.165"/1.590" valves. Also included is a LS7 high lift camshaft. This kit will even fit other LS family engines with at least 4.000" bores.

Features:

Direct Replacement For Factory Heads & Camshaft

Adds Up To 40 More Horsepower

Includes CNC Ported LS3 Assembled Cylinder Heads

Includes High Lift LS7 Camshaft

JEGS EZ Complete Kits are designed by JEGS professionals so you get all the parts you need.

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What rocker arms and pushrods do I need?&nbsp;

Asked by: Jonny 65

You could use the stock rockers or any of the aftermarket LS3 rockers.